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Albert Chao, Executive Chairman at Westlake, sold WLK on Aug 11, 2026

Data as of Oct 16

▼ SELL$2.5M31,384 shares at $80.42Albert Chao Executive ChairmanWLK Westlake Corp
Watch WLK
Traded
Aug 11, 2026
Disclosed
Aug 11, 2026
Filed
The same day

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Albert Chao, Executive Chairman at Westlake, sold WLK on Aug 11, 2026TRADEDDISCLOSED
WLKSimilar stocks (XLB — its sector index fund), rebased to WLK's price on the disclosure day
WLK since disclosure
−21.7%
after the sale
Similar stocks (XLB) since disclosure
−4.4%
XLB — its sector index fund

Change in closing price from Aug 11, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLAlbert Chao Executive ChairmanWLK Westlake Corp$597Kdisclosed Aug 11 · filed the same day

See every trade on WLK →